Other irrlicht project
HoustonTracker 2 Sound Demo (TI-82/83/83+/84+)

It's time 4 da calculator!
HoustonTracker 2 is a music editor/sequencer for Texas Instruments graphing calculators. It outputs 1-bit sound through the calculator link port. HT2 features 4 voice polyphony, tons of effects, and a simple, tracker-style interface.

Downloads, documentation, and more at irrlichtproject.de/houston
source code at github.com/utz82/HoustonTracker2
dev thread at randomflux.info/1bit/viewtopic.php?id=46